Pešterac, Aleksandra, and Nenad Tomić. “ Loss of Privacy in Electronic Payment Systems ”. Anali Ekonomskog fakulteta u Subotici 56, no. 43 (June 27, 2020): 135-149. Accessed October 5, 2024. http://j13.ef.uns.ac.rs/index.php/AnnalsEFSU/article/view/35.